VoltJots Issue 43

NEWS & ARTICLES

2025 Pet hacks contest: Loko tracks Fido with LoRa and GPS

Loko is a tiny 12-gram LoRa/GPS tracker that fits on any collar, offers a range of up to 15 km, and can last up to 270 days on a single charge.

Arduino launches Nano Connector Carrier

Arduino's new Nano Connector Carrier makes it easy to connect Arduino Nano boards to Qwiic, Grove, and Modulino modules.

Smart agriculture gets smarter with AI and IoT integration

Researchers have developed an AI-IoT system that revolutionises plant care by automatically detecting and treating diseases in real time.

Industrial CMOS sensors for space applications

Teledyne Technologies has launched three new industrial CMOS image sensors with resolutions ranging from 1.3 to 67 megapixels, designed for space-based applications.

Integrating current sensors into SiC power modules for EVs

Silicon Austria Labs has developed a new power module with integrated contactless current sensors, enhancing efficiency and cutting down size and weight for traction inverters and DC-DC converters.

PROJECTS & TUTORIALS

Build a simple datalogger - no programming needed!

Build a simple datalogger that logs temperature, barometric pressure, and humidity to a microSD card using WipperSnapper's offline mode firmware on an Adafruit Feather RP2040 Adalogger, no programming needed.

Getting started with ESP-IDF in VS Code

Learn to program ESP32 boards with the ESP-IDF, designed for IoT apps featuring Wi-Fi, Bluetooth, and power management.

How hot swap circuits and controllers work

This tutorial shows you how hot swap circuits and controllers work to enable the safe and seamless replacement of faulty components in a system, without disrupting its operation or causing damage.

Raspberry Pi motion sensor using a PIR sensor

Build a Raspberry Pi motion sensor with a PIR sensor and a piezo speaker for alerts.

Pop bubbles with your mind (EEG) | Neuro PlayGround (NPG) Lite

Imagine being able to control a fun bubble-popping game on your laptop screen just by focusing your mind - that's what this amazing Neuro PlayGround Lite project lets you do, using real EEG brain signals to create an immersive and intuitive neurofeedback experience.

Remote Frog - Connect any sensor and measure your data

Remote Frog is a solar-powered sensor that measures greenhouse gases and connects to a cellular IoT network, designed for self-sustained environmental monitoring.

How to build a smoke and fire alarm system using Arduino with SMS notification

Build a fire and smoke alarm system with Arduino UNO R4 that sends instant SMS alerts when smoke or fire is detected, keeping you informed even from afar.

ESP32-based OpenWeather API weather station

Build your own weather station with ESP32 and OpenWeather API to fetch real-time data and display it on the terminal.

PRODUCTS

ROHM’s new surface-mount near-infrared LEDs offer improved radiant intensity

ROHM's new compact top-view near-infrared LEDs are designed for advanced applications like VR/AR, human detection, and industrial sensors, and tasks like eye tracking and blood flow measurement.

3-in-1 wireless SoC pushes into ultra-low-power devices

Perfect for battery-powered IoT devices like wearables and smart home gadgets, Synaptics' SYN461x is an ultra-low-power wireless SoC that combines Wi-Fi 6E, Bluetooth 6.0, and Zigbee connectivity.

MCU enables neuromorphic processing at the edge

Pulsar's neuromorphic MCU mimics brain function with Spiking Neural Networks, offering real-time decision-making while slashing latency by up to 100× and energy use by 500× compared to traditional AI processors.

Portable USB-PD power supply

This pocket-sized adjustable DC lab bench power supply packs a 0.91 inch OLED display, two USB-C ports, and real-time voltage and current readouts.